The MZ3 is the most relevant and versatile fitness tracker on the market, using Bluetooth, ANT+ and Analog technology to provide real time feedback on heart rate, calories, and effort, to ensure that you get accurate feedback on all your exercise, wherever and however you choose to train. The MZ3s in-built memory means you can make every session count even when youre training away from your gym and its not convenient to carry your smartphone. Achieve your health and fitness goals with motivational support from friends through a MYZONE social network and use our unique MYZONE Effort Points (MEPs) system to give yourself the credit you deserve and make your EFFORT REWARDED